<template>
    <div class="recommend" ref="recommend">
        <Scroll ref="scroll" class="recommend-content" :data="discList">
            <div>
                <div v-if="recommendList.length" class="slider-wrapper">
                    <Slider>
                        <!--slot-->
                        <div v-for="item in recommendList" :key="item.key">
                            <a :href="item.linkUrl">
                                <img class="needsClick" @load="loadImage" :src="item.picUrl">
                            </a>
                        </div>
                    </Slider>
                </div>
                <div class="recommend-list">
                    <h1 class="list-title">热门歌单推荐</h1>
                    <ul>
                        <li v-for="item in discList" :key="item.key" class="item" @click="selectItem(item)">
                            <div class="icon">
                                <img v-lazy="item.imgurl" width="60" height="60">
                            </div>
                            <div class="text">
                                <h2 class="name" v-html="item.creator.name"></h2>
                                <p class="desc" v-html="item.dissname"></p>
                            </div>
                        </li>
                    </ul>
                </div>
            </div>
            <div class="loading-container" v-show="!discList.length">
                <Loading></Loading>
            </div>
        </Scroll>
        <router-view/>
    </div>
</template>

<script type="text/ecmacript-6">
import Loading from '@/base/Loading/Loading'
import Scroll from '@/base/Scroll/Scroll'
import Slider from '@/base/Slider/Slider'
import { getRecommend, getDiscList } from 'api/recommend'
import { ERR_OK } from 'api/config'
import { playListMixin } from 'common/js/mixin'
import { mapMutations } from 'vuex'

export default {
    mixins : [playListMixin],
    data () {
        return {
            recommendList : [],
            discList : []
        }
    },
    created () {
        this._getRecommend()
        this._getDiscList()
    },
    methods : {
        handlePlayList (playlist) {
            const bottom = playlist.length ?  '60px' : ''
            this.$refs.recommend.style.bottom = bottom
            this.$refs.scroll.refresh()
        },
        _getRecommend() {
            getRecommend().then(res => {
                if(res.code === ERR_OK) {
                    this.recommendList = res.data.slider
                }
            })
        },
        _getDiscList() {
            getDiscList().then((res) => {
                if(res.code === ERR_OK) {
                    this.discList = res.data.list
                }
            })
        },
        selectItem (item) {
            this.$router.push({
                path : `/recommend/${item.dissid}`
            })
            this.setDisc(item)
        },
        loadImage () {
            if(!this.checkedload) {
                this.$refs.scroll.refresh();
                this.checkedload = true
            }
        },
        ...mapMutations ({
            setDisc : 'SET_DISC'
        })
    },
    components : {
        Slider,
        Scroll,
        Loading
    }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable'

.recommend
    position: fixed
    width: 100%
    top: 88px
    bottom: 0
    .recommend-content
        height: 100%
        overflow: hidden
        .slider-wrapper
            position: relative
            width: 100%
            overflow: hidden
        .recommend-list
            .list-title
                height: 65px
                line-height: 65px
                text-align: center
                font-size: $font-size-medium
                color: $color-theme
        .item
            display: flex
            box-sizing: border-box
            align-items: center
            padding: 0 20px 20px 20px
            .icon
                flex: 0 0 60px
                width: 60px
                padding-right: 20px
            .text
                display: flex
                flex-direction: column
                justify-content: center
                flex: 1
                line-height: 20px
                overflow: hidden
                font-size: $font-size-medium
                .name
                    margin-bottom: 10px
                    color: $color-text
                .desc
                    color: $color-text-d
        .loading-container
            position: absolute
            width: 100%
            top: 50%
            transform: translateY(-50%)
</style>
